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Finding the Third Proportional to 916,258.50 and 1,398,087

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Solution

The third proportional to 916,258.50 and 1,398,087 is: 2,133,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,258.50 : 1,398,087 = 1,398,087 : x
  2. Step 2: Convert to fraction form
    916,258.50/1,398,087 = 1,398,087/x
  3. Step 3: Cross multiply
    916,258.50x = 1,398,087 × 1,398,087
  4. Step 4: Simplify right side
    916,258.50x = 1,954,647,259,569
  5. Step 5: Solve for x
    x = 1,954,647,259,569/916,258.50
  6. Step 6: Final answer
    x = 2,133,292.36

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.